Spinach Artichoke Hand Pies

Ingredients

• 1 large egg + 2 teaspoons water
• pinch of salt
• ½ lb. fresh spinach
• 2 packages pie dough
• 1 tablespoon salted butter
• ¼ teaspoon salt
• ½ cup white onion
• 2.5 tablespoons shredded mozzarella cheese
• ¼ cup crumbled feta cheese
• ½ tablespoon lemon juice
• 1 tablespoon ap flour
• ¼ cup artichoke hearts
• 2.5 tablespoons cream cheese